So little activity I tried white light close up. I think I need 25° altitude to resolve granulation well and below 1 arc sec on the SSM. Today was cold with a light breeze and the SSM was below 1 arc sec but the altitude at midday only 12°, so a bit hopeful!
Robert
0120 20th ssm by robertarnold, on Flickr
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0120 20_Jan_19_130540_lapl4_ap564 by robertarnold, on Flickr
SW200 Newtonian, x3 Barlow, ND 3.8, Baader Continuum, UV/IR cut. PGR CH3 3.2Mp
0120 20190120_132500 by robertarnold, on Flickr
20th Jan, nearly granulation
- robert
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20th Jan, nearly granulation
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Re: 20th Jan, nearly granulation
Nice capture Robert, I see your logic. The sun is still low in the sky though. I have trees and roof tops where I am, so reckon i've a good month before my horizon is clear.
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Re: 20th Jan, nearly granulation
Robert:
Super seeing, though the Sun is still low.
Best wishes,
Eric.
Super seeing, though the Sun is still low.
Best wishes,
Eric.
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Re: 20th Jan, nearly granulation
Great shot Robert, good resolution despite the low altitude of the sun.
Brian
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Maple Ridge Observatory
Cambray, ON Canada
Photos: https://www.flickr.com/photos/185395281@N08/albums
10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM
2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM
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Re: 20th Jan, nearly granulation
Always one without the other but at least you have sunshine I don't have any sunshine so I am stumped at the first
Alexandra
Alexandra